The origin and development of the cells of the blood in the embryo, infant and adult; The erythrocyte; The leukocytes; Blood platelets and coagulation; The blood as a whole; Blood groups and blood transfusion; The principles and technic of blood examination; Anemia: general considerations and treatment; Pernicious anemia and related macrocytic anemias; The normocytic anemias; Hypochromic microcytic (iron deficiency) anemia; Anemia and other disorders in infancy and childhood; Polycythemia; The purpuras; Hemophilia and other hemorrhagic disorders; Leukemia; Tumors and tumor-like conditions involving the blood-forming organs; Agranulocytosis and infectious mononucleosis.